/**
 * Defines an operation yielding a random value within a range.
 * 
 * @typedef {object} Phaser.Types.GameObjects.Particles.EmitterOpRandomStartEndConfig
 * @since 3.0.0
 *
 * @property {number} start - The starting value.
 * @property {number} end - The ending value.
 * @property {boolean} random - If false, this becomes {@link EmitterOpEaseConfig}.
 */
